800 BRYACE^. [Myurella. 



inner membrane longer and more or less distinctly divided into 

 short segments. — Mosses of U. States, 60, and Icon. Muse. 130, 

 t. 82 ; Sulliv. & Lesq. Muse. Bor.-Amer. Exsicc. 249. 

 Hab. On dry sandy ground, rarely on trees ; Southern States. 



119. MYURELLA, Bruch & Schimp. (PL 5.) 

 Small fine mosses, with stems irregularly divided into erect 

 julaceous branches, soft when damp, very brittle when dry. 

 Leaves closely imbricate, glaucous-green, round-ovate, obtuse 

 or apiculate, very concave, minutely serrulate, more or less 

 distinctly papillate on the back; costa double, very short; 

 areolatiou small, rhomboidal above, quadrate or rectangular at 

 base. Flowers dioecious ; perichsetium long, dirty brown. 

 Calyptra very small, fugacious. Capsule long-pedicellate, sub- 

 erect, small, inflated at the neck, oval-oblong. Lid large, 

 conical, blunt or obscurely apiculate. Peristome comparatively 

 large, perfect ; teeth articulate, transversely striolate, yellowish ; 

 segments entire, as long as the teeth, with two intermediate 

 shorter cilia. Annulus double. 



L M. julacea, Bruch & Schimp. In dense compact 

 glaucous-green tufts, pale yellow within ; stems erect, dichoto- 

 mous or fasciculate-branching : leaves round-ovate, obtuse, 

 rarely short-apiculate, minutely serrate, nearly smooth : capsule 

 pale brown, with orange lid. — Bryol. Eur. t. 560. Ilt/pnmn 

 Julacew7i, Villars, PL Dauph. iii. 909 ; Schwaegr. Suppl. i. 2. 

 216, t. 89. 



Hab. Fissiu'es of rocks on high mountains; New England and New 

 York, Oregon, British America, etc. ; rare. 



2. M. apiculata, Bruch & Schimp. Tufts less compact 

 and wider, soft, glaucous-green : leaves loosely imbricate or 

 spreading, smaller, abruptly narrowed into a recurved 2:)oint, 

 opaque: peristome small, whitish. — Bryol. Eur. t. 560. Jso- 

 thecium apiculatum, Hueb. Muse. Germ. 598. Hypnum julor 

 ceum., var., Muell. Syn. ii. 465. 



Hab. British America {Dnimniond); Uinta Mountains (Watson). 



3. M. Careyana, Sulliv. Tufts less compact, glaucous- 

 green, dirty white below, intermixed with long rootlets ; stems 

 slender, ascending, stoloniferous and fasciculately branching: 



